Daniel Alm has released PocketCAS 3.5 (http://pocketcas.com), an update to his mathematics software for the Mac, iPhone, and iPad.
It’s an advanced computer algebra system designed for scientists, engineers, teachers and students. Version 3.5 adds time series plotting, which lets the user see how the graph of a 2D or 3D function evolves over time.
PocketCAS pro 3.5 for iOS is available for US$9.99 at the Apple App Store. The Ma version is available for $19.99 at the Mac App Store.